allery30 किमी/हॅक्टर हांगा विद्यार्थी शाळेंत 5 मिनटां उसरां आनी 40 किमी/तास 5 मिनटां आदीं पावता. शाळा कितले पयस आसा?
A20 km
B25 km
C24 km
D18 km
Answer & Solution
Correct answer: A. 20 km
d/30 - d/40 = 10 min = 1/6 h दिता d/120 = 1/6, म्हणून d = 20 किमी.
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